rdingankar commented on code in PR #5397:
URL: https://github.com/apache/hadoop/pull/5397#discussion_r1115011334
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:
##########
@@ -1936,4 +1936,20 @@ public static boolean isParentEntry(final String path,
final String parent) {
return path.charAt(parent.length()) == Path.SEPARATOR_CHAR
|| parent.equals(Path.SEPARATOR);
}
+
+ /**
+ * Calculate the transfer rate in megabytes/second. Return -1 for any
negative input.
+ * @param bytes bytes
+ * @param durationMS duration in milliseconds
+ * @return the number of megabytes/second of the transfer rate
+ */
+ public static long transferRateMBs(long bytes, long durationMS) {
Review Comment:
Added unit tests
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